名校
解题方法
1 . 设函数y=
是定义在
上的减函数,并且满足
=
+
,
.
(1)求
的值;
(2)若存在实数
,使得
,求
的值;
(3)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc03f89640a187a000a2378e3a3fea22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/106b7cc1e33e780d6f2d3bfc8650651c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781c05628890dfc9cbc2408cbfe1f31e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc4c7a503a8a2426dd98fa90839e15e7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cb07fc041df359b25b6b47bcc4d024e.png)
(2)若存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b801f399809cc444ea171f280a446d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2749ee25bcb88b6cec0b03898fcda56a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2018-09-26更新
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564次组卷
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5卷引用:广西南宁三中2023-2024学年高一上学期11月段考数学试题